﻿

  

  

  

  Phil. 
  Mag. 
  Ser. 
  6, 
  Vol. 
  16, 
  PI. 
  VII 
  

  

  

  

  

  

  i=j 
  Jfjvfuntane, 
  

   il 
  (m£u^ 
  of 
  F(f,r) 
  and 
  F(K?) 
  

  

  

  

  

  

  

  k 
  

  

  